D1121323223313223313112113313231133132333132333132313231331121212131   >>    D112132322331322331311211331323113313233313233313231323133112121213   <<    D1121323223313223313112113313231133132333132333132313231331121212133   >>      D1121323223313223313112113313231133132333132333132313231331121212132   >>